To diminish means to make something smaller or less in amount, size, or importance. For example, when you reduce the amount of sugar in a recipe, you are diminishing its sweetness. This concept can apply to various contexts, such as reducing expenses in a budget or diminishing the impact of noise in a busy environment. In environmental discussions, diminishing resources refers to the decreasing availability of natural materials, like water or fossil fuels. As populations grow and consumption increases, the need to diminish waste and promote sustainability becomes crucial. This helps ensure that resources remain available for future generations.